ipcc.c

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/*
 * Copyright (C) 2006 Ondrej Palkovsky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <async.h>
#include <ipc/ipc.h>
#include <ipc/services.h>
#include <errno.h>

#define TEST_START       10000
#define MAXLIST          4

#define MSG_HANG_ME_UP   2000

static int connections[50];
static ipc_callid_t callids[50];
static int phones[20];
static int myservice = 0;

static void client_connection(ipc_callid_t iid, ipc_call_t *icall)
{
        ipc_callid_t callid;
        ipc_call_t call;
        ipcarg_t phonehash = icall->in_phone_hash;
        int retval;
        int i;

        printf("Connected phone: %P, accepting\n", icall->in_phone_hash);
        ipc_answer_fast(iid, 0, 0, 0);
        for (i=0;i < 1024;i++)
                if (!connections[i]) {
                        connections[i] = phonehash;
                        break;
                }
        
        while (1) {
                callid = async_get_call(&call);
                switch (IPC_GET_METHOD(call)) {
                case IPC_M_PHONE_HUNGUP:
                        printf("Phone (%P) hung up.\n", phonehash);
                        retval = 0;
                        break;
                default:
                        printf("Received message from %P: %X\n", phonehash,callid);
                        for (i=0; i < 1024; i++)
                                if (!callids[i]) {
                                        callids[i] = callid;
                                        break;
                                }
                        continue;
                }
                ipc_answer_fast(callid, retval, 0, 0);
        }
}

static void printhelp(void)
{
        printf("? - help\n");
        printf("c - connect to other service\n");
        printf("h - hangup connection\n");
        printf("a - send async message to other service\n");
        printf("s - send sync message to other service\n");
        printf("d - answer message that we have received\n");
        printf("j - jump to endless loop\n");
        printf("p - page fault\n");
        printf("u - unaligned read\n");
}

static void callback(void *private, int retval, ipc_call_t *data)
{
        printf("Received response to msg %d - retval: %d.\n", private,
               retval);
}

static void do_answer_msg(void)
{
        int i,cnt, errn = 0;
        char c;

        cnt = 0;
        for (i=0;i < 50;i++) {
                if (callids[i]) {
                        printf("%d: %P\n", cnt, callids[i]);
                        cnt++;
                }
                if (cnt >= 10)
                        break;
        }
        if (!cnt)
                return;
        printf("Choose message:\n");
        do {
                c = getchar();
        } while (c < '0' || (c-'0') >= cnt);
        cnt = c - '0' + 1;
        
        for (i=0;cnt;i++)
                if (callids[i])
                        cnt--;
        i -= 1;

        printf("Normal (n) or hangup (h) or error(e) message?\n");
        do {
                c = getchar();
        } while (c != 'n' && c != 'h' && c != 'e');
        if (c == 'n')
                errn = 0;
        else if (c == 'h')
                errn = EHANGUP;
        else if (c == 'e')
                errn = ENOENT;
        printf("Answering %P\n", callids[i]);
        ipc_answer_fast(callids[i], errn, 0, 0);
        callids[i] = 0;
}

static void do_send_msg(int async)
{
        int phoneid;
        int res;
        static int msgid = 1;
        char c;

        printf("Select phoneid to send msg: 2-9\n");
        do {
                c = getchar();
        } while (c < '2' || c > '9');
        phoneid = c - '0';

        if (async) {
                ipc_call_async(phoneid, 2000, 0, (void *)msgid, callback, 1);
                printf("Async sent - msg %d\n", msgid);
                msgid++;
        } else {
                printf("Sending msg...");
                res = ipc_call_sync_2(phoneid, 2000, 0, 0, NULL, NULL);
                printf("done: %d\n", res);
        }
}

static void do_hangup(void)
{
        char c;
        int res;
        int phoneid;

        printf("Select phoneid to hangup: 2-9\n");
        do {
                c = getchar();
        } while (c < '2' || c > '9');
        phoneid = c - '0';
        
        printf("Hanging up...");
        res = ipc_hangup(phoneid);
        printf("done: %d\n", phoneid);
}

static void do_connect(void)
{
        char c;
        int svc;
        int phid;

        printf("Choose one service: 0:10000....9:10009\n");
        do {
                c = getchar();
        } while (c < '0' || c > '9');
        svc = TEST_START + c - '0';
        if (svc == myservice) {
                printf("Currently cannot connect to myself, update test\n");
                return;
        }
        printf("Connecting to %d..", svc);
        phid = ipc_connect_me_to(PHONE_NS, svc, 0);
        if (phid > 0) {
                printf("phoneid: %d\n", phid);
                phones[phid] = 1;
        } else
                printf("error: %d\n", phid);
}



int main(void)
{
        ipcarg_t phonead;
        int i;
        char c;
        int res;
        volatile long long var;
        volatile int var1;
        
        printf("********************************\n");
        printf("***********IPC Tester***********\n");
        printf("********************************\n");

        
        async_set_client_connection(client_connection);

        for (i=TEST_START;i < TEST_START+10;i++) {
                res = ipc_connect_to_me(PHONE_NS, i, 0, &phonead);
                if (!res)
                        break;
                printf("Failed registering as %d..:%d\n", i, res);
        }
        printf("Registered as service: %d\n", i);
        myservice = i;

        printhelp();
        while (1) {
                c = getchar();
                switch (c) {
                case '?':
                        printhelp();
                        break;
                case 'h':
                        do_hangup();
                        break;
                case 'c':
                        do_connect();
                        break;
                case 'a':
                        do_send_msg(1);
                        break;
                case 's':
                        do_send_msg(0);
                        break;
                case 'd':
                        do_answer_msg();
                        break;
                case 'j':
                        while (1)
                                ;
                case 'p':
                        printf("Doing page fault\n");
                        *((char *)0) = 1;
                        printf("done\n");
                case 'u':
                        var1=*( (int *) ( ( (char *)(&var) ) + 1 ) );
                        break;
                }
        }
}

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